Colds are the most common illness in children, and it can be said that almost every child has had a cold. However, unlike adults, the local symptoms of a cold, such as a small nasal congestion, can cause discomfort in children, and it is necessary for parents to learn some ways to deal with it. Children, especially infants, have short and narrow nasal cavity, few nasal hairs, tender nasal mucous membrane, relatively rich in blood vessels and lymph, and are prone to congestion and edema after a cold, resulting in increased nasal secretions and nasal congestion. Most colds are caused by viral infections, so there is no need to apply antibiotics, and most cold medicines are compound preparations, which are not recommended for small babies. Clear nasal secretions in a timely manner, older children have snot is to let him blow out, wet hot towel hot compress nose nose. Dry nasal scabs, you can drop a few drops of saline to soften and then gently remove with a cotton swab. Sleeping with a stuffy nose at night will affect the baby’s sleep, you can change the baby’s position, pick the baby up and sleep through the logistics to turn the baby around. After these treatments, nasal congestion in babies over 2 years old can be used cautiously under the guidance of a physician decongestant, which should not be applied for a long time. Pay attention to let the child drink more water, and properly increase the humidity in the room to prevent and control nasal dryness. Seemingly very simple methods, as long as parents use correctly, can also relieve the baby’s nasal congestion, and can easily cure the cold without the need for medicine. For nasal congestion lasting for a long time, resulting in nasal cavity is not smooth and affects breathing, especially in the night sleep caused by sleep apnea, nasal congestion accompanied by fever, crying, poor spirit and other systemic symptoms; to seek medical attention in a timely manner, so as not to delay the condition.